Reactor tank



FIG. 1 is a perspective view of a reactor tank showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a bottom view thereof.

The portions of the reactor tank shown in dotted lines do not constitute a part of the claimed design. 

CLAIM The ornamental design for a reactor tank, substantially as shown and described. 